.form {
    width: 500px;
    height: 300px;
    border-radius: 10px;
    background: linear-gradient(rgba(115, 223, 214, .5), #1e3a7c);
    color: white;
    padding: 0 30px 30px 30px;
    position: absolute;
    margin: auto;
    top: 0px;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1;
}
@media screen and (max-width: 500px) {
    .form {
        width: 90%;
        height: 50%;
        border-radius: 10px;
        background: #2b669a;
        color: white;
        position: absolute;
        margin: auto;
        top: 0px;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 6
    }
}
.text-danger {
    position: absolute;
    font-size: 14px;
    text-shadow: 0 0 1px red;
}
.sign{
    width: 30%;
    float:left;
}
.nowSign{
    float: right;
}

[type="submit"]{
    width: 30%;
    float: right;
}

.form-group label{
    font-size: 16px;
}

.hint{
    margin-top: 80px;
    font-size: 20px;
    color: red;
}
/*注册页隐藏*/
.signPage{
    display: none;
    padding-top: 30px;
}
